21000598864

素因数分解:

$2^4\times 7^1\times {\mathrm{187505347}}^1$

素因数の和:187505362

約数の個数: 20

約数和(自身を含む): 46501326304

約数和(自身を除く): 25500727440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 187505347, 375010694, 750021388, 1312537429, 1500042776, 2625074858, 3000085552, 5250149716, 10500299432, 21000598864]

約数ペア:

[(1, 21000598864), (2, 10500299432), (4, 5250149716), (7, 3000085552), (8, 2625074858), (14, 1500042776), (16, 1312537429), (28, 750021388), (56, 375010694), (112, 187505347)]